Dump-car.



nu. 690,5ol.

Patented 1an. 7, |902. H. C; WILLIAMSON &1H.PRIES.

DUMP GAR.

(Application led une 7, 1901.)

5 Sheets-Sheet l.

(No Model.)

No. 690,5QI. Patented 1an. 7, 1902.

H. C.Y WILLIAMSON & -H.- PHIES.

DUMP CAB.

` (Application filed June 7, 1901.) (No Model.) 5 Sheets-Sheet 2,

Tui: nomme PETERS co. Purmxuma. wAsHmaoN. n. c.

No. 090,501. Patented 1an. 7, |902. H. c. wlLLl'AMsoN 0, H. Palas.

'mz scams verses ca. Naro-Ln' o., w

No. 690,50| PiLtentedlan. 7, |902.

H. C. WILLIAMSON &. H. PRIES.

DUMP CAR.'

(Applicatiun led Tune 7, 1901.) (No Model.) 5 SheeVs-Sheet 4.

No. 690,501. Pateted lan. 7, Ai902. H. C. WILLIAMSON H. PHIES.

l DUMP-CAR.

(Application tiled June 7, 1901.) (No Model.) 5 Sheets-Sheet 5.

UNITED STATES PATENT EFICE.

HENRY C. WILLIAMSON AND HERMAN PRIES, 0F MICHIGAN CITY, INDIANA.

DUMP-CAR.

SPECIFICATION forming' part of Letters Patent No. 690,501, dated January'7, 1902.

Application filed June 7. 1961.

To all whom it may concern.-V

Be it known that we, HENRY C. WILLIAMSON and HERMAN PRIES, citizens ofthe United States, and residents of Michigan City,county of Laporte, andState of Indiana, haveinvented certain new and useful Improvements inDump-Cars, of which the following is a speci cation, and which areillustrated in the accompanying drawings, forming a part thereof.

Our invention relates to the construction of dump-cars, and moreespecially to improvements in hopper-bottom gondola cars, such -as areemployed for transporting coal, ore, and other materials of alikenature.

The' car herein shown, described, and claimed is particularly adaptedfor the transportation of ore from the mine to the docks and fordischarging the same into vessel-loading chutes. Such cars arenecessarily limited in'height, as they must pass under the tipple fromwhich they are filled. They are necessarily restricted in length,because they 'must be adapted to the existing construction of docks 'atwhich vessels are loaded, so that a number of them may be run onto thetrestle from which the chutes lead and the several 'cars while coupledtogether ldischarging each into a chute without moving. These trestlesat loading-docks are so constructed that the ore-receiving pockets fromwhich the chutes lead to vessels are located between the rails of thetrack, and hence the hopper form of 'car must be used, and the ore mustnot only scribed and as illustrated in the accompanying drawings, inwhich- Figure 1 is a plan view of a dump-car constructed in accordancewith our invention, certain parts, such as the draft-rigging and one ofthe plates for covering the drums of the door-closing mechanism, notbeingshown. Fig. 2 is aside elevation of the same. Fig. 3 is a bottomview of the car. Fig. f1 is a detail section, on an enlarged scale, onthe line 4 et of Fig. 1'. Fig. 5 is a section on the line Serial No.63,585. (No model.)

, 5 5 of Fig. 4. Fig. 6 is a section on the line The body 2O of the caris substantially of l the gondola type,and lthe end floors 21 and 21athereof are given a decided inclination in order that the contents ofthe car may readily move out through the discharge opening when thedoors are released. The inclined end l-oors 21 and 21a are supported inthe usual manner by floor-timbers 22 and terminate so as to provide acentrally-located discharge-opening, which is closed by a pair of doors24 and 25, hinged to the side sills 26 and closing against the centralsills 27 and 28, the said latter sills dividing the dischargeopeningcentrallyand providing, in effect, two side outlets for the contents ot'the car.

The car is constructed with three central sills 27, 28, and 29, locatedabove which and supported thereby is an inverted-V-shaped hood 30, whichextends from the incline 21 to the incline 2l, as illustrated in Fig. 1,in-

cluding in its length the removable caps 30C,

from the end sills 31, to which they are secured by bolts 34, to thesaddles 35, supported by the car-holsters 35, and are then bowedoutwardly and downwardly to the queenposts 3G, thereby adding to therigidity of the car-frame and also clearing the dischargeopenings in thebottom of the car, which ex- ICO ings. Each ofthe queen-posts 41, underwhich the central truss-rods 37 and 38 pass, consists of a base 42,bolted to the needle-beams 43 beyond the ends of the discharge-openings,the posts 44 and a cross-piece 45 connecting the said posts, therebyproviding a means for resisting the lateral strains on the trussrods andeffectually trussing the car-frame.

The doors 24 and 25 are each controlled by means of a pair of chains 46and 47, only one of which is shown,which pass upwardlyoverwearing-plates 48, fixed to the central sills 27 and 28,and are securedto and wound about drums 49, keyed to a shaft 50, the drums and shaftbeing housed under the hood 30, and

thereby protected from the load. The shaft 50 is journaled in blocks 5l,located at opposite sides of the drums 49, and one of its ends isextended to the end of the frame of the car and has fixed to it aratchet-wheel 52, the hubs 53 of which are journaled in plates 54,secured to the uprights 55, formingapart of the framing of the car. Abifurcated lever 56 is loosely pivoted on the hubs 53 of theratchet-wheel, and its upper end pro- 'jects above the upper end of thecar, passing through a guide-strap 57, secured across the end of thecar. An actuating-pawl 58 is pivoted between the legs of the lever 56and coperates with the ratchet wheel 52. A retaining pawl 59 is pivotedbetween the plates 54, so as to engage the ratchet-wheel to hold thesame against backward movement. Each of the legs of the lever 56 isprovided with a forwardlyprojecting toe 60, one of which is shown indotted lines in Fig. 7, designed to engage lugs 61, depending from theretaining-pawl 59, so that .when the lever is swung to the limit of itsadvance movement this pawl is raised to free the ratchet-wheel andpermit the doors 24 and 25 to fall. pawl 58 is controlled by a rod 62,and suitable means may be provided for holding the rod for the purposeof suspending the pawl out of engagement with the ratchet-wheel.

The mechanism just described for releasingiand closing the doors isshown in Patent No. 673,103, granted to us April 30, 1901, and

is the preferred mechanism foi" accomplish-1 ing such results. We donot, however, confine ourselves to its use, and any other suitable meansmay be employed.

Each of the drums 49 is provided with spiral peripheral grooves Q3, sothat as the chains are wound upon the same their links enter'thelgrooves obliquely for the purpose of preventing any twisting-orkinking of the chains and consequent variations in their length.

The sides 64 ofthe car are bowed outwardly (illustrated in Fig. l bymeans of the vertical dottedlines X) and are also inclined down-A wardlyand outwardly, as will be clearly seen on reference to the line Y inFig. 5. VIt will be readily understood that as the ore or coal leaveseither end of the car and moves to-y ward the discharge-openings it willtravel through a gradually-widening passage, the

The

unloading or dropping of the contents of the car being thereby greatlyfacilitated.

At 65 is shown a cross-rod for staying the sides of the car.

In spite of all precaution material will sometimes, even when adhesivein its nature, arch over the dumping-apertures, and it becomes necessaryto break the arch by means of thrust-rods inserted through suitableapertures in the sides of the car. Such apertures are shown at 66 andare preferably located at each end of the discharge-apertures, so as togive access to the bases ofthe arch, though, if desired, they may belocated substantially midway of such apertures, as indicated by dottedlines in Fig. 2, to accord access to the crown ot' the arch. The noveltyin the present construction in this regard consists in the form of theclosures for such apertures, upwardly and outwardly inclined plates 67being used, which, while affording ready entrance for the thrust-rod,prevent the material from forcing its way out.

When constructedas described, the car has great strength, particularlyby reason of the arrangement of the central 'sills and trussrods. It hasgreat carrying capacity and discharges its load readily, thedischarge-apertures being large, the inclines at the ends of the carbeing steep, and the friction between the material and the car sidesbeing greatly reduced by the inclination of the latter outwardly fromtheir upper edges and from the ends of the car.

We claim as our invention- 1. In a dump-car, in combination, theinclined end ioors, a door-closed opening in the 'bottom of the car, andside Walls inclined upwardly and inwardly.

2. In a dump-car, in combination, the inclined end floors, adoor-closedopening in the bottom of the car, and side walls of the carbowed outwardly and inclined upwardly and inwardly.

3. ,Inadump-calgin combinatiomacar-body having door-closed bottomdischarge-open= ings, means for controlling the doors, central sillsagainst which the doors close, a queenpost secured to the sills beyondthe ends of the openings, and truss-rods passing under the queen-postsand bowed inwardly.

- ing over the queen-posts and bowed inwardly so as to clear thedischarge-opening, and side truss-rods bowed outwardly around the outersides of the discharge-opening.

5. In a dump-car,in combination,a car-body having door-closed bottomdischarge-openings, means for controlling the doors, central sillsagainst which the doors close, a pair of queen-posts secured to thesills beyond the end of each of the openings, and truss-rods Iig passingunder the queen-posts and bowed inwardly, each of the said pairs ofqueen-posts being connected by a bar.

6. Inadump-car,i11combination,acarbody having door-closed bottomdischarge-openings, means for controlling the doors, a'plu= rality ofcentral sills arranged in close order and against which the doors close,a pair of queen-posts comprising a rectangular frame secured to thesills beyond the end of each of the discharge-openings,truss-rodspassing under the queen-posts and bowed inwardly, and' sidetruss-rods bowed outwardly around the outer ends of thedischarge-openings.

7. In a dump-car, in combination with a carbody, the inclined end Iioorsprovidinga discharge-opening in the bottom of the car, a door forclosing the opening, the car having an aperture in its side over thedischargehopper, and an upwardly and outwardly inclined plate partiallyclosing said aperture.

HENRY C. WILLIAMSON. HERMAN PRIES.

Witnesses:

H. V. OGDEN, C. E. CoMBs.

